HBASE-18883 Update Curator to 4.0
HBASE-18883 Update Curator to 4.0

Signed-off-by: zhangduo <ca823f7b4f21a31b6ef7892c1f90d53103f0d135@apache.org>

bijugs/hbase,bijugs/hbase,francisliu/hbase,ultratendency/hbase,apurtell/hbase,vincentpoon/hbase,bijugs/hbase,mahak/hbase,vincentpoon/hbase,francisliu/hbase,Apache9/hbase,ndimiduk/hbase,ChinmaySKulkarni/hbase,JingchengDu/hbase,Eshcar/hbase,ChinmaySKulkarni/hbase,ndimiduk/hbase,Eshcar/hbase,Eshcar/hbase,Apache9/hbase,JingchengDu/hbase,ultratendency/hbase,Eshcar/hbase,bijugs/hbase,ultratendency/hbase,Apache9/hbase,mahak/hbase,bijugs/hbase,apurtell/hbase,ndimiduk/hbase,apurtell/hbase,Apache9/hbase,francisliu/hbase,Apache9/hbase,mahak/hbase,mahak/hbase,Eshcar/hbase,vincentpoon/hbase,Eshcar/hbase,Eshcar/hbase,ndimiduk/hbase,francisliu/hbase,ChinmaySKulkarni/hbase,JingchengDu/hbase,bijugs/hbase,vincentpoon/hbase,ChinmaySKulkarni/hbase,ChinmaySKulkarni/hbase,Apache9/hbase,Apache9/hbase,Apache9/hbase,bijugs/hbase,mahak/hbase,ndimiduk/hbase,apurtell/hbase,ChinmaySKulkarni/hbase,JingchengDu/hbase,ChinmaySKulkarni/hbase,vincentpoon/hbase,Apache9/hbase,vincentpoon/hbase,mahak/hbase,JingchengDu/hbase,apurtell/hbase,ultratendency/hbase,vincentpoon/hbase,bijugs/hbase,apurtell/hbase,Eshcar/hbase,JingchengDu/hbase,JingchengDu/hbase,ultratendency/hbase,mahak/hbase,francisliu/hbase,vincentpoon/hbase,francisliu/hbase,bijugs/hbase,ndimiduk/hbase,bijugs/hbase,francisliu/hbase,ultratendency/hbase,mahak/hbase,ChinmaySKulkarni/hbase,JingchengDu/hbase,ultratendency/hbase,ndimiduk/hbase,ultratendency/hbase,Apache9/hbase,apurtell/hbase,ndimiduk/hbase,francisliu/hbase,ultratendency/hbase,francisliu/hbase,apurtell/hbase,Eshcar/hbase,JingchengDu/hbase,francisliu/hbase,apurtell/hbase,JingchengDu/hbase,mahak/hbase,ChinmaySKulkarni/hbase,ndimiduk/hbase,ndimiduk/hbase,ChinmaySKulkarni/hbase,apurtell/hbase,ultratendency/hbase,mahak/hbase,Eshcar/hbase,vincentpoon/hbase,vincentpoon/hbase